Messages in this thread |  | | Date | Sat, 2 Apr 2022 16:14:10 +0200 | From | Florian Westphal <> | Subject | Re: linux 5.17.1 disregarding ACK values resulting in stalled TCP connections |
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Jaco Kroon <jaco@uls.co.za> wrote: > Including sysctl net.netfilter.nf_conntrack_log_invalid=6- which > generates lots of logs, something specific I should be looking for? I > suspect these relate: > > [Sat Apr 2 10:31:53 2022] nf_ct_proto_6: SEQ is over the upper bound > (over the window of the receiver) IN= OUT=bond0 > SRC=2c0f:f720:0000:0003:d6ae:52ff:feb8:f27b > DST=2a00:1450:400c:0c08:0000:0000:0000:001a LEN=2928 TC=0 HOPLIMIT=64 > FLOWLBL=867133 PROTO=TCP SPT=48920 DPT=25 SEQ=2689938314 ACK=4200412020 > WINDOW=447 RES=0x00 ACK PSH URGP=0 OPT (0101080A2F36C1C120EDFB91) UID=8 > GID=12
I thought this had "liberal mode" enabled for tcp conntrack? The above implies its off.
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